<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ name: 'home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片 -->
    <el-card>
      <!-- 搜索和添加 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入搜索的姓名" class="input-with-select" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表展示 -->
      <el-table :data="userList" border>
        <el-table-column label="编号" type="index"></el-table-column>
        <el-table-column label="用户名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="权限" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-tooltip effect="dark" content="修改用户" placement="bottom" :enterable="false">
              <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"> </el-button>
            </el-tooltip>
            <el-tooltip effect="dark" content="删除角色" placement="bottom" :enterable="false">
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserByid(scope.row.id)"> </el-button>
            </el-tooltip>
            <el-tooltip effect="dark" content="修改权限" placement="bottom" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="showRoleDialog(scope.row)"> </el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页功能 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[3, 5, 7, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" class="demo-ruleForm">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" show-password></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" class="demo-ruleForm">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改权限对话框 -->
    <el-dialog title="修改权限" :visible.sync="roleDialogVisible" width="50%" @close="roleDialogClosed">
      <div>
        <p>当前用户:{{ userInfo.username }}</p>
        <p>当前权限:{{ userInfo.role_name }}</p>
        <p>
          新的权限:
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id"></el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="roleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="roleUser">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询用户列表的参数对象
      queryInfo: {
        query: "",
        pagenum: 1, //页码
        pagesize: 5, //页码条数
      },
      //   用户列表数据
      userList: [],
      //   总条数
      total: 0,
      //   添加对话框显示与隐藏
      addDialogVisible: false,
      //   添加用户的数据对象
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      //   添加用户的规则
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 10, message: "长度应保持在3到10个字符", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 15, message: "长度应保持在6到15个字符", trigger: "blur" },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { pattern: /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/, message: "邮箱格式不正确", trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { pattern: /^(0|86|17951)?(13[0-9]|15[0123456789]|166|17[3678]|18[0-9]|14[57])[0-9]{8}$/, message: "手机号码格式不正确", trigger: "blur" },
        ],
      },
      //   修改对话框的显示和隐藏
      editDialogVisible: false,
      editForm: {},
      editFormRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { pattern: /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/, message: "邮箱格式不正确", trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { pattern: /^(0|86|17951)?(13[0-9]|15[0123456789]|166|17[3678]|18[0-9]|14[57])[0-9]{8}$/, message: "手机号码格式不正确", trigger: "blur" },
        ],
      },
      roleDialogVisible: false,
      userInfo: {},
      rolesList: [],
      selectedRoleId: null,
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    //获取用户列表
    async getUserList() {
      const { data: res } = await this.$http.get("users", { params: this.queryInfo });
      if (res.meta.status != 200) {
        return this.$message.error("获取用户列表失败");
      } else {
        this.userList = res.data.users;
        this.total = res.data.total;
      }
    },
    //分页功能
    handleSizeChange(pagesize) {
      this.queryInfo.pagesize = pagesize;
      this.getUserList();
    },
    handleCurrentChange(pagenum) {
      this.queryInfo.pagenum = pagenum;
      this.getUserList();
    },
    //状态更新
    async userStateChange(user) {
      const { data: res } = await this.$http.put(`users/${user.id}/state/${user.mg_state}`);
      if (res.meta.status != 200) {
        user.mg_state = !user.mg_state;
        return this.$message.error("更新状态失败");
      }
      this.$message.success("更新状态成功");
    },
    //监听添加用户对话框
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    //添加用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) {
          return;
        }
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status != 201) {
          return this.$message.error("添加用户失败");
        }
        this.addDialogVisible = false;
        this.getUserList();
        this.$message.success("添加用户成功");
      });
    },
    //显示编辑用户对话框
    async showEditDialog(id) {
      const { data: res } = await this.$http.get(`users/${id}`);
      if (res.meta.status != 200) {
        return this.$message.error("查询用户列表失败");
      }
      this.editForm = res.data;
      this.editDialogVisible = true;
    },
    //修改用户
    editUser() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) {
          return;
        }
        const { data: res } = await this.$http.put(`users/${this.editForm.id}`, {
          email: this.editForm.email,
          mobile: this.editForm.mobile,
        });
        if (res.meta.status != 200) {
          return this.$message.error("修改用户失败");
        }
        this.editDialogVisible = false;
        this.getUserList();
        this.$message.success("修改用户信息成功");
      });
    },
    //监听修改用户关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    //根据id来删除用户
    removeUserByid(id) {
      this.$confirm("确定要删除该用户嘛?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(async () => {
          const { data: res } = await this.$http.delete(`users/${id}`);
          if (res.meta.status != 200) {
            return this.$message.error("删除用户失败");
          }
          this.getUserList();
          this.$message.success("已执行删除操作");
        })
        .catch(() => {
          this.$message.info("已取消删除操作");
        });
    },
    //显示修改权限对话框
    async showRoleDialog(userInfo) {
      this.userInfo = userInfo;
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status != 200) {
        return this.$message.error("获取角色列表失败");
      }
      this.rolesList = res.data;
      this.roleDialogVisible = true;
    },
    //监听修改权限关闭事件
    roleDialogClosed() {
      this.selectedRoleId = null;
      this.userInfo = {};
    },
    //分配角色
    async roleUser() {
      //判断是否选择权限
      if (!this.selectedRoleId) {
        return this.$message.error("请选择权限");
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectedRoleId });
      if (res.meta.status != 200) {
        return this.$message.error("更新权限失败");
      }
      this.$message.success("更新权限成功");
      this.getUserList();
      this.roleDialogVisible = false;
    },
  },
};
</script>

<style lang="less" scoped></style>
